Home / 187,719.40-259,057.38-102,836.52

Finding the Fourth Proportional to 187,719.40, 259,057.38 and 102,836.52

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Solution

The fourth proportional to 187,719.40, 259,057.38 and 102,836.52 is: 141,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,719.40 : 259,057.38 = 102,836.52 : x
  2. Step 2: Convert to fraction form
    187,719.40/259,057.38 = 102,836.52/x
  3. Step 3: Cross multiply
    187,719.40x = 259,057.38 × 102,836.52
  4. Step 4: Simplify right side
    187,719.40x = 26,640,559,439.52
  5. Step 5: Solve for x
    x = 26,640,559,439.52/187,719.40
  6. Step 6: Final answer
    x = 141,916.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.